Update runtime files.
diff --git a/runtime/doc/usr_02.txt b/runtime/doc/usr_02.txt
index b6cc527..680a4e6 100644
--- a/runtime/doc/usr_02.txt
+++ b/runtime/doc/usr_02.txt
@@ -505,7 +505,7 @@
 	:help E37
 
 
-Summary: 					*help-summary*  >
+Summary:					*help-summary*  >
 
 1) Use Ctrl-D after typing a topic and let Vim show all available topics.
    Or press Tab to complete: >